{"id":933,"date":"2011-07-11T20:40:05","date_gmt":"2011-07-12T00:40:05","guid":{"rendered":"http:\/\/hstore.cs.brown.edu\/?page_id=933"},"modified":"2016-06-03T13:10:53","modified_gmt":"2016-06-03T17:10:53","slug":"global","status":"publish","type":"page","link":"https:\/\/hstore.cs.brown.edu\/documentation\/configuration\/properties-file\/global\/","title":{"rendered":"Global Parameters"},"content":{"rendered":"<p id=\"top\" \/><div class=\"prevpage\"><B>\u00ab<\/B> <a href=\"https:\/\/hstore.cs.brown.edu\/documentation\/configuration\/properties-file\/\" title=\"Properties File\">Properties File<\/a><\/div> <div class=\"nextpage\"><a href=\"https:\/\/hstore.cs.brown.edu\/documentation\/configuration\/properties-file\/client\/\" title=\"Client Parameters\">Client Parameters<\/a> <B>\u00bb<\/B><\/div><div style=\"clear:both;\"><\/div><\/p>\n<h2 class=\"property-list\">System &amp; Environment Parameters<\/h2>\n<ul class=\"property-list\">\n<p><a name=\"jvm_version\"><\/a><\/p>\n<li><tt class=\"property\">global.jvm_version<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>1.7<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">What version of the Java JDK should be used in this H-Store installation. Accepted values are &#8216;1.6&#8217; or &#8216;1.7&#8217;. This will only be used when compiling the system source code. It is up to you to configure your environment appropriately to match whatever this is used for this option.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"memory\"><\/a><\/p>\n<li><tt class=\"property\">global.memory<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>2048<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>int<\/tt><\/td>\n<tr>\n<td colspan=\"2\">The amount of memory to allocate for the various utility programs that are invoked through the commandline terminal using ant. <B>Note:<\/B> This is not control the amount of memory that is allocated for the database nodes or client terminals. See <a href=\"\/documentation\/configuration\/properties-file\/site#memory\" class=\"property\">site.memory<\/a> or <a href=\"\/documentation\/configuration\/properties-file\/client#memory\" class=\"property\">client.memory<\/a>. <\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"temp_dir\"><\/a><\/p>\n<li><tt class=\"property\">global.temp_dir<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>obj<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">Temporary directory used to store various artifacts related to H-Store.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"sshoptions\"><\/a><\/p>\n<li><tt class=\"property\">global.sshoptions<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>-x<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">Options used when logging into client\/server hosts. We assume that there will be no spaces in paths or options listed here.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"sshprefix\"><\/a><\/p>\n<li><tt class=\"property\">global.sshprefix<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt><\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">An optional command that is added as a prefix that is executed before starting the HStoreSite and clients. The command must exit with status code zero.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"defaulthost\"><\/a><\/p>\n<li><tt class=\"property\">global.defaulthost<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>localhost<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">The default hostname used when generating cluster configurations.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"hasher_class\"><\/a><\/p>\n<li><tt class=\"property\">global.hasher_class<\/tt> <b class=\"experimental\">Experimental<\/b><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>edu.brown.hashing.DefaultHasher<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">The name of the AbstractHasher class to use to figure out what partitions transactions and queries need to go to. We should not need to change this.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"hasher_plan\"><\/a><\/p>\n<li><tt class=\"property\">global.hasher_plan<\/tt> <b class=\"experimental\">Experimental<\/b><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>null<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">The path to a more fine-grained partitioning plan for the database.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"nanosecond_latencies\"><\/a><\/p>\n<li><tt class=\"property\">global.nanosecond_latencies<\/tt> <b class=\"experimental\">Experimental<\/b><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>false<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>boolean<\/tt><\/td>\n<tr>\n<td colspan=\"2\">Measure all latencies using nanoseconds instead of milliseconds.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<\/ul>\n<p><a name=\"log\"><\/a><\/p>\n<h2 class=\"property-list\">Debug Logging Parameters<\/h2>\n<ul class=\"property-list\">\n<p><a name=\"log_dir\"><\/a><\/p>\n<li><tt class=\"property\">global.log_dir<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt><a href=\"\/documentation\/configuration\/properties-file\/global#temp_dir\" class=\"property\">global.temp_dir<\/a>\/logs<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>string<\/tt><\/td>\n<tr>\n<td colspan=\"2\">Default log directory for H-Store.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<p><a name=\"log_refresh\"><\/a><\/p>\n<li><tt class=\"property\">global.log_refresh<\/tt><br \/>\n<table>\n<tr>\n<td class=\"prop-default\">Default:<\/td>\n<td><tt>30000<\/tt><\/td>\n<tr>\n<td class=\"prop-type\">Permitted Tye:<\/td>\n<td><tt>int<\/tt><\/td>\n<tr>\n<td colspan=\"2\">How often in milliseconds the log4j refresh thread will check to see whether the log4j.properties file has changed. We have to do this manually because Java doesn&#8217;t have the ability to get a callback when a file changes.<\/td>\n<\/tr>\n<\/table>\n<\/li>\n<\/ul>\n<p><div class=\"prevpage\"><B>\u00ab<\/B> <a href=\"https:\/\/hstore.cs.brown.edu\/documentation\/configuration\/properties-file\/\" title=\"Properties File\">Properties File<\/a><\/div> <div class=\"nextpage\"><a href=\"https:\/\/hstore.cs.brown.edu\/documentation\/configuration\/properties-file\/client\/\" title=\"Client Parameters\">Client Parameters<\/a> <B>\u00bb<\/B><\/div><div style=\"clear:both;\"><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>System &amp; Environment Parameters global.jvm_version Default: 1.7 Permitted Tye: string What version of the Java JDK should be used in this H-Store installation. Accepted values are &#8216;1.6&#8217; or &#8216;1.7&#8217;. This will only be used when compiling the system source code. It is up to you to configure your environment appropriately to match whatever this is [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":591,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/pages\/933"}],"collection":[{"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/comments?post=933"}],"version-history":[{"count":24,"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/pages\/933\/revisions"}],"predecessor-version":[{"id":1869,"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/pages\/933\/revisions\/1869"}],"up":[{"embeddable":true,"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/pages\/591"}],"wp:attachment":[{"href":"https:\/\/hstore.cs.brown.edu\/wp-json\/wp\/v2\/media?parent=933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}